An atrial septal defect is an opening in the wall that separates the upper chambers of the heart. It is one of the most common congenital heart defects, which are structural problems that develop ...
CHICAGO, Nov. 19 – For the first time in the United States, open-heart surgery was performed without opening the chest, in more than a dozen patients, researchers reported in preliminary results ...
†Primum (2 patients), secundum (68 patients) and sinus defects (4 patients). § Surgical branch of the study. TEE = Transesophageal echocardiography. *Children and adults. †Percutaneous branch of the ...
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